# Campbell School vs Science AI

The clearest difference is in-app purchases: Campbell School at none against Science AI's 3. Campbell School also leads on update cadence (every 3 days vs every 16 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Science AI sells 3 in-app purchases, starting at $4.99 per 7 days. Campbell School asks for nothing beyond the download.

Campbell School ships an update every 3 days, Science AI every 16 months. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Campbell School | Science AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (17 ratings)](https://appshunter.io/ios/app/science-ai-homework-solver/id6743004789/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 16 months |
| Monetization | — | Free with in-app purchases |
| Size | 133 MB | 58 MB |
| Requires iOS | 15.6 | **14.0.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RiScolar](https://appshunter.io/developer/1499291963) | [Ember Next LLC](https://appshunter.io/developer/1799292599) |

## What reviewers say

### Campbell School

[App page](https://appshunter.io/ios/app/campbell-school/id6465196150)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Science AI

[App page](https://appshunter.io/ios/app/science-ai-homework-solver/id6743004789)

Get instant, scientifically accurate solutions to your science homework by snapping a photo of any question. Engage with an AI tutor for deeper understanding and save your solved problems for future reference. Study complex concepts in chemistry, physics, biology, and astronomy anytime, anywhere.

**Highlights:** Photo recognition for instant problem scanning, Step-by-step scientific explanations, Conversational AI tutor, Offline study capabilities, Save and organize solved problems, Covers Chemistry, Physics, Biology, Astronomy

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Yearly Premium | $29.99 | per year |
| Lifetime Premium | $39.99 | one-time |


## Frequently asked questions

### Is Campbell School free?

Campbell School is free to download, with no in-app purchases.

### Is Science AI free?

Science AI is free to download, with in-app purchases available.

### Do Campbell School or Science AI have ads?

Neither Campbell School nor Science AI shows ads.

### Which is updated more often, Campbell School or Science AI?

Campbell School ships an update every 3 days, and Science AI every 16 months. Most recently, Campbell School was updated on October 13, 2026 and Science AI on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*